Fig. 1From: Treatment of lead and arsenic poisoning in anuric patients – a case report and narrative review of the literatureBlood lead concentration-time graph in relation to the use of different chelating agents and different modalities of extracorporeal tblood purification. Solid line - BAL (4 mg/kg IM every 4 h) with continuous venovenous hemodiafiltration (CVVHDF); dashed line - CaNa2EDTA (1 g IV) given 1 to 3 h before 4-h high-flux hemodialysis (HD)Back to article page